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LR CURRENT
SENSING RESISTOR

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Data Sheet 1
 Data sheet 2


-Low TCR ¡¾100ppm; Resistance values from 1m§Ù to 10m§Ù
-High power dissipation
-Low inductance
-NB (For power management). MB (For power management)
-SWPS (DC-DC converter, charger, adaptor)
-Monitor (For power management)

GENERAL SPECIFICATIONS

Type

80C Power
Rating [W]

Operating
Temp.

Resistance
Tolerance (%)

Resistance
[mohm]

TCR
[ppm/C]

LR12_TD_ _ _ _

1

-55 to 170C

1,3,5

0.5 to 2.0

50

LR12_TK_ _ _ _

1

2.5 to 3.0

150

LR12_TE_ _ _ _

1

4.0 to 5.5

100

LR12_TW_ _ _ _

1

6.0 to 7.0

75

LR12_TER010

1

10

100

LR12_TD_ _ _ _G

1

11 to 20

50

LR12_TDS_ _ _ _

2

0.5 to 2.0

50

LR12_TDS_ _ _ _G

2

7.0 to 10.0

50

LR12_TDB_ _ _ _G

2.5

4.0 to 6.0

50

LR12_TWRR003G

3

3.0

75

LR12_TDR_ _ _ _G

3

1.0 to 2.0

50

LR12_TER_ _ _ _G

3

0.5 to 0.75

100

CHARACTERISTICS                                                  Values in [ ] mean change in ohmic value after test

TCR MIL-STD-202, Method304; +25/-55/+125/+25C
Thermal Shock [¡¾0.5%+0.5m§Ù] MIL-STD-202, Method 107G : -55C to +150C ,100 cycles
Short Time Overload [¡¾0.5%+0.5m§Ù] JIS-C-5202-5.5: RCWV X 2.5 or Max Overloading Voltage,5sec
Resistance to Dry Heat [¡¾1%+0.5m§Ù] JIS-C-5202-7.2: 96hrs. @ +125C without load
Load Life [¡¾1%+0.5m§Ù] MIL-STD-202 M108: RCWV,70C ,1.5hr.ON, 0.5hr.OFF 1000 to 1048hr
Resistance to Soldering heat [¡¾0.5%+0.5m§Ù] MIL-STD-202F-Method210E: 260 ¡¾5C , 10¡¾1sec
Solderability [95%min coverage] MIL-STD-202F-Method210E: 260 ¡¾5 C , 2¡¾0.5sec


DIMENSIONS

Type

Resistance
[mohm]

L

W

T

D

LR12_T_ _ _ _ _ G

0.5 to 0.75

6.35+-0.25

3.18+-0.25

1.0+-0.20

1.93+-0.75

LR12_T_ _ _ _ _ G

1.0 to 20

0.6+-0.20

1.93+-0.75

LR12_T_ 0M50

0.5

1.4+-0.20

1.30+-0.30

LR12_T_ 0M75

0.75

1.0+-0.20

LR12_T_ R001

1.0

0.8+-0.20

LR12_T_ 1M50

1.5

0.65+-0.20

LR12_T_ R002

2.0

0.5+-0.20

LR12_T_ 2M50

2.5

1.0+-0.20

LR12_T_ R003

3.0

0.7+-0.20

LR12_T_ 3M50

3.5

0.71+-0.20

LR12_T_ R004

4.0

0.6+-0.20

LR12_T_ 4M50

4.5

0.58+-0.20

LR12_T_ R005

5.0

0.5+-0.20

LR12_T_ 5M50

5.5

0.47+-0.20

LR12_T_ R006

6.0

0.50+-0.20

LR12_T_ 6M50

6.5

0.47+-0.20

LR12_T_ R007

7.0

0.45+-0.20

LR12_T_ R010

10.0

6.5+-0.35

3.2+-0.25

0.8+-0.15

1.90+-0.15

EMBOSSED PLASTIC TAPE SPECIFICATIONS 

Model DIMENSIONS [mm]
A0 B0 K0 P0 P1 P2 T E F D0
LR12 3.40¡¾0.1 6.75¡¾0.1 12.0¡¾0.1 4.0¡¾0.1 4.0¡¾0.1 2.0¡¾.05 0.25¡¾.1 1.75¡¾.1 5.5¡¾3.5 1.55¡¾.05
D1 W 10Po ¡¡
1.5(min) 12.0¡¾0.3 40.0¡¾0.2

¡¡

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ORDERING PROCEDURE EXAMPLE

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